Home / 5,040.60-7,562.10-2,117.40

Finding the Fourth Proportional to 5,040.60, 7,562.10 and 2,117.40

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Solution

The fourth proportional to 5,040.60, 7,562.10 and 2,117.40 is: 3,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.60 : 7,562.10 = 2,117.40 : x
  2. Step 2: Convert to fraction form
    5,040.60/7,562.10 = 2,117.40/x
  3. Step 3: Cross multiply
    5,040.60x = 7,562.10 × 2,117.40
  4. Step 4: Simplify right side
    5,040.60x = 16,011,990.54
  5. Step 5: Solve for x
    x = 16,011,990.54/5,040.60
  6. Step 6: Final answer
    x = 3,176.60

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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.