Home / 7,772.49-10,726.02-4,235.69

Finding the Fourth Proportional to 7,772.49, 10,726.02 and 4,235.69

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Solution

The fourth proportional to 7,772.49, 10,726.02 and 4,235.69 is: 5,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.49 : 10,726.02 = 4,235.69 : x
  2. Step 2: Convert to fraction form
    7,772.49/10,726.02 = 4,235.69/x
  3. Step 3: Cross multiply
    7,772.49x = 10,726.02 × 4,235.69
  4. Step 4: Simplify right side
    7,772.49x = 45,432,122.47
  5. Step 5: Solve for x
    x = 45,432,122.47/7,772.49
  6. Step 6: Final answer
    x = 5,845.25

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.