Home / 8,709.85-13,056.88-5,590.74

Finding the Fourth Proportional to 8,709.85, 13,056.88 and 5,590.74

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Solution

The fourth proportional to 8,709.85, 13,056.88 and 5,590.74 is: 8,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.85 : 13,056.88 = 5,590.74 : x
  2. Step 2: Convert to fraction form
    8,709.85/13,056.88 = 5,590.74/x
  3. Step 3: Cross multiply
    8,709.85x = 13,056.88 × 5,590.74
  4. Step 4: Simplify right side
    8,709.85x = 72,997,621.29
  5. Step 5: Solve for x
    x = 72,997,621.29/8,709.85
  6. Step 6: Final answer
    x = 8,381.04

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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.