Home / 7,649.19-10,555.95-4,292.07

Finding the Fourth Proportional to 7,649.19, 10,555.95 and 4,292.07

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Solution

The fourth proportional to 7,649.19, 10,555.95 and 4,292.07 is: 5,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.19 : 10,555.95 = 4,292.07 : x
  2. Step 2: Convert to fraction form
    7,649.19/10,555.95 = 4,292.07/x
  3. Step 3: Cross multiply
    7,649.19x = 10,555.95 × 4,292.07
  4. Step 4: Simplify right side
    7,649.19x = 45,306,876.32
  5. Step 5: Solve for x
    x = 45,306,876.32/7,649.19
  6. Step 6: Final answer
    x = 5,923.09

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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.