Home / 7,155.44-10,726.02-3,400.63

Finding the Fourth Proportional to 7,155.44, 10,726.02 and 3,400.63

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Solution

The fourth proportional to 7,155.44, 10,726.02 and 3,400.63 is: 5,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.44 : 10,726.02 = 3,400.63 : x
  2. Step 2: Convert to fraction form
    7,155.44/10,726.02 = 3,400.63/x
  3. Step 3: Cross multiply
    7,155.44x = 10,726.02 × 3,400.63
  4. Step 4: Simplify right side
    7,155.44x = 36,475,225.39
  5. Step 5: Solve for x
    x = 36,475,225.39/7,155.44
  6. Step 6: Final answer
    x = 5,097.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.