Home / 8,902.05-13,349.03-4,740.99

Finding the Fourth Proportional to 8,902.05, 13,349.03 and 4,740.99

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Solution

The fourth proportional to 8,902.05, 13,349.03 and 4,740.99 is: 7,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.05 : 13,349.03 = 4,740.99 : x
  2. Step 2: Convert to fraction form
    8,902.05/13,349.03 = 4,740.99/x
  3. Step 3: Cross multiply
    8,902.05x = 13,349.03 × 4,740.99
  4. Step 4: Simplify right side
    8,902.05x = 63,287,594.03
  5. Step 5: Solve for x
    x = 63,287,594.03/8,902.05
  6. Step 6: Final answer
    x = 7,109.33

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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.