Home / 7,565.40-10,440.90-4,422.60

Finding the Fourth Proportional to 7,565.40, 10,440.90 and 4,422.60

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Solution

The fourth proportional to 7,565.40, 10,440.90 and 4,422.60 is: 6,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.40 : 10,440.90 = 4,422.60 : x
  2. Step 2: Convert to fraction form
    7,565.40/10,440.90 = 4,422.60/x
  3. Step 3: Cross multiply
    7,565.40x = 10,440.90 × 4,422.60
  4. Step 4: Simplify right side
    7,565.40x = 46,175,924.34
  5. Step 5: Solve for x
    x = 46,175,924.34/7,565.40
  6. Step 6: Final answer
    x = 6,103.57

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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.