Home / 9,788.94-13,508.75-5,312.69

Finding the Fourth Proportional to 9,788.94, 13,508.75 and 5,312.69

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Solution

The fourth proportional to 9,788.94, 13,508.75 and 5,312.69 is: 7,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.94 : 13,508.75 = 5,312.69 : x
  2. Step 2: Convert to fraction form
    9,788.94/13,508.75 = 5,312.69/x
  3. Step 3: Cross multiply
    9,788.94x = 13,508.75 × 5,312.69
  4. Step 4: Simplify right side
    9,788.94x = 71,767,863.46
  5. Step 5: Solve for x
    x = 71,767,863.46/9,788.94
  6. Step 6: Final answer
    x = 7,331.52

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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.