Home / 4,869.08-7,315.29-3,117.51

Finding the Fourth Proportional to 4,869.08, 7,315.29 and 3,117.51

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Solution

The fourth proportional to 4,869.08, 7,315.29 and 3,117.51 is: 4,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.08 : 7,315.29 = 3,117.51 : x
  2. Step 2: Convert to fraction form
    4,869.08/7,315.29 = 3,117.51/x
  3. Step 3: Cross multiply
    4,869.08x = 7,315.29 × 3,117.51
  4. Step 4: Simplify right side
    4,869.08x = 22,805,437.56
  5. Step 5: Solve for x
    x = 22,805,437.56/4,869.08
  6. Step 6: Final answer
    x = 4,683.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.