Home / 7,454.90-10,287.34-4,584.72

Finding the Fourth Proportional to 7,454.90, 10,287.34 and 4,584.72

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Solution

The fourth proportional to 7,454.90, 10,287.34 and 4,584.72 is: 6,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.90 : 10,287.34 = 4,584.72 : x
  2. Step 2: Convert to fraction form
    7,454.90/10,287.34 = 4,584.72/x
  3. Step 3: Cross multiply
    7,454.90x = 10,287.34 × 4,584.72
  4. Step 4: Simplify right side
    7,454.90x = 47,164,550.52
  5. Step 5: Solve for x
    x = 47,164,550.52/7,454.90
  6. Step 6: Final answer
    x = 6,326.65

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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.