Home / 7,030.47-10,545.71-2,872.44

Finding the Fourth Proportional to 7,030.47, 10,545.71 and 2,872.44

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Solution

The fourth proportional to 7,030.47, 10,545.71 and 2,872.44 is: 4,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.47 : 10,545.71 = 2,872.44 : x
  2. Step 2: Convert to fraction form
    7,030.47/10,545.71 = 2,872.44/x
  3. Step 3: Cross multiply
    7,030.47x = 10,545.71 × 2,872.44
  4. Step 4: Simplify right side
    7,030.47x = 30,291,904.87
  5. Step 5: Solve for x
    x = 30,291,904.87/7,030.47
  6. Step 6: Final answer
    x = 4,308.66

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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.