Home / 9,774.90-13,489.29-5,298.66

Finding the Fourth Proportional to 9,774.90, 13,489.29 and 5,298.66

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Solution

The fourth proportional to 9,774.90, 13,489.29 and 5,298.66 is: 7,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774.90 : 13,489.29 = 5,298.66 : x
  2. Step 2: Convert to fraction form
    9,774.90/13,489.29 = 5,298.66/x
  3. Step 3: Cross multiply
    9,774.90x = 13,489.29 × 5,298.66
  4. Step 4: Simplify right side
    9,774.90x = 71,475,161.35
  5. Step 5: Solve for x
    x = 71,475,161.35/9,774.90
  6. Step 6: Final answer
    x = 7,312.11

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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.