Home / 7,575.95-10,454.51-4,218.90

Finding the Fourth Proportional to 7,575.95, 10,454.51 and 4,218.90

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Solution

The fourth proportional to 7,575.95, 10,454.51 and 4,218.90 is: 5,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.95 : 10,454.51 = 4,218.90 : x
  2. Step 2: Convert to fraction form
    7,575.95/10,454.51 = 4,218.90/x
  3. Step 3: Cross multiply
    7,575.95x = 10,454.51 × 4,218.90
  4. Step 4: Simplify right side
    7,575.95x = 44,106,542.79
  5. Step 5: Solve for x
    x = 44,106,542.79/7,575.95
  6. Step 6: Final answer
    x = 5,821.92

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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.