Home / 8,973.18-12,382.61-4,994.19

Finding the Fourth Proportional to 8,973.18, 12,382.61 and 4,994.19

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Solution

The fourth proportional to 8,973.18, 12,382.61 and 4,994.19 is: 6,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.18 : 12,382.61 = 4,994.19 : x
  2. Step 2: Convert to fraction form
    8,973.18/12,382.61 = 4,994.19/x
  3. Step 3: Cross multiply
    8,973.18x = 12,382.61 × 4,994.19
  4. Step 4: Simplify right side
    8,973.18x = 61,841,082.06
  5. Step 5: Solve for x
    x = 61,841,082.06/8,973.18
  6. Step 6: Final answer
    x = 6,891.77

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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.