Home / 9,317.40-13,959.68-4,925.20

Finding the Fourth Proportional to 9,317.40, 13,959.68 and 4,925.20

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Solution

The fourth proportional to 9,317.40, 13,959.68 and 4,925.20 is: 7,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.40 : 13,959.68 = 4,925.20 : x
  2. Step 2: Convert to fraction form
    9,317.40/13,959.68 = 4,925.20/x
  3. Step 3: Cross multiply
    9,317.40x = 13,959.68 × 4,925.20
  4. Step 4: Simplify right side
    9,317.40x = 68,754,215.94
  5. Step 5: Solve for x
    x = 68,754,215.94/9,317.40
  6. Step 6: Final answer
    x = 7,379.12

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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.