Home / 9,281.48-12,808.53-5,302.53

Finding the Fourth Proportional to 9,281.48, 12,808.53 and 5,302.53

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Solution

The fourth proportional to 9,281.48, 12,808.53 and 5,302.53 is: 7,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.48 : 12,808.53 = 5,302.53 : x
  2. Step 2: Convert to fraction form
    9,281.48/12,808.53 = 5,302.53/x
  3. Step 3: Cross multiply
    9,281.48x = 12,808.53 × 5,302.53
  4. Step 4: Simplify right side
    9,281.48x = 67,917,614.58
  5. Step 5: Solve for x
    x = 67,917,614.58/9,281.48
  6. Step 6: Final answer
    x = 7,317.55

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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.