Home / 7,247.72-10,000.90-4,590.44

Finding the Fourth Proportional to 7,247.72, 10,000.90 and 4,590.44

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Solution

The fourth proportional to 7,247.72, 10,000.90 and 4,590.44 is: 6,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.72 : 10,000.90 = 4,590.44 : x
  2. Step 2: Convert to fraction form
    7,247.72/10,000.90 = 4,590.44/x
  3. Step 3: Cross multiply
    7,247.72x = 10,000.90 × 4,590.44
  4. Step 4: Simplify right side
    7,247.72x = 45,908,531.40
  5. Step 5: Solve for x
    x = 45,908,531.40/7,247.72
  6. Step 6: Final answer
    x = 6,334.20

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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.