Home / 8,709.19-12,017.41-4,982.47

Finding the Fourth Proportional to 8,709.19, 12,017.41 and 4,982.47

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Solution

The fourth proportional to 8,709.19, 12,017.41 and 4,982.47 is: 6,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.19 : 12,017.41 = 4,982.47 : x
  2. Step 2: Convert to fraction form
    8,709.19/12,017.41 = 4,982.47/x
  3. Step 3: Cross multiply
    8,709.19x = 12,017.41 × 4,982.47
  4. Step 4: Simplify right side
    8,709.19x = 59,876,384.80
  5. Step 5: Solve for x
    x = 59,876,384.80/8,709.19
  6. Step 6: Final answer
    x = 6,875.08

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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.