Home / 7,395.20-10,205.52-4,038.15

Finding the Fourth Proportional to 7,395.20, 10,205.52 and 4,038.15

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Solution

The fourth proportional to 7,395.20, 10,205.52 and 4,038.15 is: 5,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.20 : 10,205.52 = 4,038.15 : x
  2. Step 2: Convert to fraction form
    7,395.20/10,205.52 = 4,038.15/x
  3. Step 3: Cross multiply
    7,395.20x = 10,205.52 × 4,038.15
  4. Step 4: Simplify right side
    7,395.20x = 41,211,367.17
  5. Step 5: Solve for x
    x = 41,211,367.17/7,395.20
  6. Step 6: Final answer
    x = 5,572.72

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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.