Home / 7,612.30-11,437.65-4,840.30

Finding the Fourth Proportional to 7,612.30, 11,437.65 and 4,840.30

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Solution

The fourth proportional to 7,612.30, 11,437.65 and 4,840.30 is: 7,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.30 : 11,437.65 = 4,840.30 : x
  2. Step 2: Convert to fraction form
    7,612.30/11,437.65 = 4,840.30/x
  3. Step 3: Cross multiply
    7,612.30x = 11,437.65 × 4,840.30
  4. Step 4: Simplify right side
    7,612.30x = 55,361,657.30
  5. Step 5: Solve for x
    x = 55,361,657.30/7,612.30
  6. Step 6: Final answer
    x = 7,272.66

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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.