Home / 8,740.60-13,088.50-5,770.08

Finding the Fourth Proportional to 8,740.60, 13,088.50 and 5,770.08

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Solution

The fourth proportional to 8,740.60, 13,088.50 and 5,770.08 is: 8,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.60 : 13,088.50 = 5,770.08 : x
  2. Step 2: Convert to fraction form
    8,740.60/13,088.50 = 5,770.08/x
  3. Step 3: Cross multiply
    8,740.60x = 13,088.50 × 5,770.08
  4. Step 4: Simplify right side
    8,740.60x = 75,521,692.08
  5. Step 5: Solve for x
    x = 75,521,692.08/8,740.60
  6. Step 6: Final answer
    x = 8,640.33

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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.