Home / 4,869.65-6,720.24-2,981.19

Finding the Fourth Proportional to 4,869.65, 6,720.24 and 2,981.19

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Solution

The fourth proportional to 4,869.65, 6,720.24 and 2,981.19 is: 4,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.65 : 6,720.24 = 2,981.19 : x
  2. Step 2: Convert to fraction form
    4,869.65/6,720.24 = 2,981.19/x
  3. Step 3: Cross multiply
    4,869.65x = 6,720.24 × 2,981.19
  4. Step 4: Simplify right side
    4,869.65x = 20,034,312.29
  5. Step 5: Solve for x
    x = 20,034,312.29/4,869.65
  6. Step 6: Final answer
    x = 4,114.12

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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.