Home / 7,716.13-11,592.65-4,948.20

Finding the Fourth Proportional to 7,716.13, 11,592.65 and 4,948.20

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Solution

The fourth proportional to 7,716.13, 11,592.65 and 4,948.20 is: 7,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.13 : 11,592.65 = 4,948.20 : x
  2. Step 2: Convert to fraction form
    7,716.13/11,592.65 = 4,948.20/x
  3. Step 3: Cross multiply
    7,716.13x = 11,592.65 × 4,948.20
  4. Step 4: Simplify right side
    7,716.13x = 57,362,763.10
  5. Step 5: Solve for x
    x = 57,362,763.10/7,716.13
  6. Step 6: Final answer
    x = 7,434.14

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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.