Home / 7,352.26-10,139.20-5,671.00

Finding the Fourth Proportional to 7,352.26, 10,139.20 and 5,671.00

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Solution

The fourth proportional to 7,352.26, 10,139.20 and 5,671.00 is: 7,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.26 : 10,139.20 = 5,671.00 : x
  2. Step 2: Convert to fraction form
    7,352.26/10,139.20 = 5,671.00/x
  3. Step 3: Cross multiply
    7,352.26x = 10,139.20 × 5,671.00
  4. Step 4: Simplify right side
    7,352.26x = 57,499,401.70
  5. Step 5: Solve for x
    x = 57,499,401.70/7,352.26
  6. Step 6: Final answer
    x = 7,820.65

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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.