Home / 4,290.10-5,916.45-2,715.46

Finding the Fourth Proportional to 4,290.10, 5,916.45 and 2,715.46

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Solution

The fourth proportional to 4,290.10, 5,916.45 and 2,715.46 is: 3,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.10 : 5,916.45 = 2,715.46 : x
  2. Step 2: Convert to fraction form
    4,290.10/5,916.45 = 2,715.46/x
  3. Step 3: Cross multiply
    4,290.10x = 5,916.45 × 2,715.46
  4. Step 4: Simplify right side
    4,290.10x = 16,065,883.32
  5. Step 5: Solve for x
    x = 16,065,883.32/4,290.10
  6. Step 6: Final answer
    x = 3,744.87

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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.