Home / 6,916.50-9,545.04-4,123.62

Finding the Fourth Proportional to 6,916.50, 9,545.04 and 4,123.62

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Solution

The fourth proportional to 6,916.50, 9,545.04 and 4,123.62 is: 5,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.50 : 9,545.04 = 4,123.62 : x
  2. Step 2: Convert to fraction form
    6,916.50/9,545.04 = 4,123.62/x
  3. Step 3: Cross multiply
    6,916.50x = 9,545.04 × 4,123.62
  4. Step 4: Simplify right side
    6,916.50x = 39,360,117.84
  5. Step 5: Solve for x
    x = 39,360,117.84/6,916.50
  6. Step 6: Final answer
    x = 5,690.76

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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.