Home / 5,215.83-7,192.31-4,462.53

Finding the Fourth Proportional to 5,215.83, 7,192.31 and 4,462.53

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Solution

The fourth proportional to 5,215.83, 7,192.31 and 4,462.53 is: 6,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.83 : 7,192.31 = 4,462.53 : x
  2. Step 2: Convert to fraction form
    5,215.83/7,192.31 = 4,462.53/x
  3. Step 3: Cross multiply
    5,215.83x = 7,192.31 × 4,462.53
  4. Step 4: Simplify right side
    5,215.83x = 32,095,876.83
  5. Step 5: Solve for x
    x = 32,095,876.83/5,215.83
  6. Step 6: Final answer
    x = 6,153.55

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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.