Home / 7,432.15-10,256.68-4,447.40

Finding the Fourth Proportional to 7,432.15, 10,256.68 and 4,447.40

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Solution

The fourth proportional to 7,432.15, 10,256.68 and 4,447.40 is: 6,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.15 : 10,256.68 = 4,447.40 : x
  2. Step 2: Convert to fraction form
    7,432.15/10,256.68 = 4,447.40/x
  3. Step 3: Cross multiply
    7,432.15x = 10,256.68 × 4,447.40
  4. Step 4: Simplify right side
    7,432.15x = 45,615,573.16
  5. Step 5: Solve for x
    x = 45,615,573.16/7,432.15
  6. Step 6: Final answer
    x = 6,137.60

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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.