Home / 7,429.66-10,255.60-5,070.12

Finding the Fourth Proportional to 7,429.66, 10,255.60 and 5,070.12

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Solution

The fourth proportional to 7,429.66, 10,255.60 and 5,070.12 is: 6,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.66 : 10,255.60 = 5,070.12 : x
  2. Step 2: Convert to fraction form
    7,429.66/10,255.60 = 5,070.12/x
  3. Step 3: Cross multiply
    7,429.66x = 10,255.60 × 5,070.12
  4. Step 4: Simplify right side
    7,429.66x = 51,997,122.67
  5. Step 5: Solve for x
    x = 51,997,122.67/7,429.66
  6. Step 6: Final answer
    x = 6,998.59

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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.