Home / 7,917.71-10,927.95-5,655.18

Finding the Fourth Proportional to 7,917.71, 10,927.95 and 5,655.18

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Solution

The fourth proportional to 7,917.71, 10,927.95 and 5,655.18 is: 7,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.71 : 10,927.95 = 5,655.18 : x
  2. Step 2: Convert to fraction form
    7,917.71/10,927.95 = 5,655.18/x
  3. Step 3: Cross multiply
    7,917.71x = 10,927.95 × 5,655.18
  4. Step 4: Simplify right side
    7,917.71x = 61,799,524.28
  5. Step 5: Solve for x
    x = 61,799,524.28/7,917.71
  6. Step 6: Final answer
    x = 7,805.23

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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.