Home / 8,897.20-13,337.54-4,219.40

Finding the Fourth Proportional to 8,897.20, 13,337.54 and 4,219.40

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Solution

The fourth proportional to 8,897.20, 13,337.54 and 4,219.40 is: 6,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.20 : 13,337.54 = 4,219.40 : x
  2. Step 2: Convert to fraction form
    8,897.20/13,337.54 = 4,219.40/x
  3. Step 3: Cross multiply
    8,897.20x = 13,337.54 × 4,219.40
  4. Step 4: Simplify right side
    8,897.20x = 56,276,468.08
  5. Step 5: Solve for x
    x = 56,276,468.08/8,897.20
  6. Step 6: Final answer
    x = 6,325.19

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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.