Home / 9,690.08-13,374.05-5,710.95

Finding the Fourth Proportional to 9,690.08, 13,374.05 and 5,710.95

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Solution

The fourth proportional to 9,690.08, 13,374.05 and 5,710.95 is: 7,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.08 : 13,374.05 = 5,710.95 : x
  2. Step 2: Convert to fraction form
    9,690.08/13,374.05 = 5,710.95/x
  3. Step 3: Cross multiply
    9,690.08x = 13,374.05 × 5,710.95
  4. Step 4: Simplify right side
    9,690.08x = 76,378,502.29
  5. Step 5: Solve for x
    x = 76,378,502.29/9,690.08
  6. Step 6: Final answer
    x = 7,882.14

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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.