Home / 7,432.14-10,256.55-4,288.50

Finding the Fourth Proportional to 7,432.14, 10,256.55 and 4,288.50

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Solution

The fourth proportional to 7,432.14, 10,256.55 and 4,288.50 is: 5,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.14 : 10,256.55 = 4,288.50 : x
  2. Step 2: Convert to fraction form
    7,432.14/10,256.55 = 4,288.50/x
  3. Step 3: Cross multiply
    7,432.14x = 10,256.55 × 4,288.50
  4. Step 4: Simplify right side
    7,432.14x = 43,985,214.68
  5. Step 5: Solve for x
    x = 43,985,214.68/7,432.14
  6. Step 6: Final answer
    x = 5,918.24

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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.