Home / 4,870.92-6,722.40-2,983.74

Finding the Fourth Proportional to 4,870.92, 6,722.40 and 2,983.74

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Solution

The fourth proportional to 4,870.92, 6,722.40 and 2,983.74 is: 4,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.92 : 6,722.40 = 2,983.74 : x
  2. Step 2: Convert to fraction form
    4,870.92/6,722.40 = 2,983.74/x
  3. Step 3: Cross multiply
    4,870.92x = 6,722.40 × 2,983.74
  4. Step 4: Simplify right side
    4,870.92x = 20,057,893.78
  5. Step 5: Solve for x
    x = 20,057,893.78/4,870.92
  6. Step 6: Final answer
    x = 4,117.89

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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.