Home / 8,807.36-12,157.95-5,269.88

Finding the Fourth Proportional to 8,807.36, 12,157.95 and 5,269.88

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Solution

The fourth proportional to 8,807.36, 12,157.95 and 5,269.88 is: 7,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.36 : 12,157.95 = 5,269.88 : x
  2. Step 2: Convert to fraction form
    8,807.36/12,157.95 = 5,269.88/x
  3. Step 3: Cross multiply
    8,807.36x = 12,157.95 × 5,269.88
  4. Step 4: Simplify right side
    8,807.36x = 64,070,876.76
  5. Step 5: Solve for x
    x = 64,070,876.76/8,807.36
  6. Step 6: Final answer
    x = 7,274.70

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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.