Home / 4,545.78-6,277.29-2,870.16

Finding the Fourth Proportional to 4,545.78, 6,277.29 and 2,870.16

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Solution

The fourth proportional to 4,545.78, 6,277.29 and 2,870.16 is: 3,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.78 : 6,277.29 = 2,870.16 : x
  2. Step 2: Convert to fraction form
    4,545.78/6,277.29 = 2,870.16/x
  3. Step 3: Cross multiply
    4,545.78x = 6,277.29 × 2,870.16
  4. Step 4: Simplify right side
    4,545.78x = 18,016,826.67
  5. Step 5: Solve for x
    x = 18,016,826.67/4,545.78
  6. Step 6: Final answer
    x = 3,963.42

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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.