Home / 7,301.08-10,043.60-6,400.76

Finding the Fourth Proportional to 7,301.08, 10,043.60 and 6,400.76

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Solution

The fourth proportional to 7,301.08, 10,043.60 and 6,400.76 is: 8,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.08 : 10,043.60 = 6,400.76 : x
  2. Step 2: Convert to fraction form
    7,301.08/10,043.60 = 6,400.76/x
  3. Step 3: Cross multiply
    7,301.08x = 10,043.60 × 6,400.76
  4. Step 4: Simplify right side
    7,301.08x = 64,286,714.25
  5. Step 5: Solve for x
    x = 64,286,714.25/7,301.08
  6. Step 6: Final answer
    x = 8,805.10

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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.