Home / 7,918.11-10,929.47-4,932.18

Finding the Fourth Proportional to 7,918.11, 10,929.47 and 4,932.18

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Solution

The fourth proportional to 7,918.11, 10,929.47 and 4,932.18 is: 6,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.11 : 10,929.47 = 4,932.18 : x
  2. Step 2: Convert to fraction form
    7,918.11/10,929.47 = 4,932.18/x
  3. Step 3: Cross multiply
    7,918.11x = 10,929.47 × 4,932.18
  4. Step 4: Simplify right side
    7,918.11x = 53,906,088.68
  5. Step 5: Solve for x
    x = 53,906,088.68/7,918.11
  6. Step 6: Final answer
    x = 6,807.95

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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.