Home / 8,300.28-12,437.40-7,062.60

Finding the Fourth Proportional to 8,300.28, 12,437.40 and 7,062.60

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Solution

The fourth proportional to 8,300.28, 12,437.40 and 7,062.60 is: 10,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.28 : 12,437.40 = 7,062.60 : x
  2. Step 2: Convert to fraction form
    8,300.28/12,437.40 = 7,062.60/x
  3. Step 3: Cross multiply
    8,300.28x = 12,437.40 × 7,062.60
  4. Step 4: Simplify right side
    8,300.28x = 87,840,381.24
  5. Step 5: Solve for x
    x = 87,840,381.24/8,300.28
  6. Step 6: Final answer
    x = 10,582.82

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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.