Home / 8,565.60-11,816.79-4,980.29

Finding the Fourth Proportional to 8,565.60, 11,816.79 and 4,980.29

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Solution

The fourth proportional to 8,565.60, 11,816.79 and 4,980.29 is: 6,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.60 : 11,816.79 = 4,980.29 : x
  2. Step 2: Convert to fraction form
    8,565.60/11,816.79 = 4,980.29/x
  3. Step 3: Cross multiply
    8,565.60x = 11,816.79 × 4,980.29
  4. Step 4: Simplify right side
    8,565.60x = 58,850,963.31
  5. Step 5: Solve for x
    x = 58,850,963.31/8,565.60
  6. Step 6: Final answer
    x = 6,870.62

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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.