Home / 8,565.32-11,816.79-5,376.75

Finding the Fourth Proportional to 8,565.32, 11,816.79 and 5,376.75

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Solution

The fourth proportional to 8,565.32, 11,816.79 and 5,376.75 is: 7,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.32 : 11,816.79 = 5,376.75 : x
  2. Step 2: Convert to fraction form
    8,565.32/11,816.79 = 5,376.75/x
  3. Step 3: Cross multiply
    8,565.32x = 11,816.79 × 5,376.75
  4. Step 4: Simplify right side
    8,565.32x = 63,535,925.63
  5. Step 5: Solve for x
    x = 63,535,925.63/8,565.32
  6. Step 6: Final answer
    x = 7,417.82

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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.