Home / 7,227.15-10,830.60-5,748.90

Finding the Fourth Proportional to 7,227.15, 10,830.60 and 5,748.90

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Solution

The fourth proportional to 7,227.15, 10,830.60 and 5,748.90 is: 8,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.15 : 10,830.60 = 5,748.90 : x
  2. Step 2: Convert to fraction form
    7,227.15/10,830.60 = 5,748.90/x
  3. Step 3: Cross multiply
    7,227.15x = 10,830.60 × 5,748.90
  4. Step 4: Simplify right side
    7,227.15x = 62,264,036.34
  5. Step 5: Solve for x
    x = 62,264,036.34/7,227.15
  6. Step 6: Final answer
    x = 8,615.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.