Home / 5,243.03-7,864.58-1,545.31

Finding the Fourth Proportional to 5,243.03, 7,864.58 and 1,545.31

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Solution

The fourth proportional to 5,243.03, 7,864.58 and 1,545.31 is: 2,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.03 : 7,864.58 = 1,545.31 : x
  2. Step 2: Convert to fraction form
    5,243.03/7,864.58 = 1,545.31/x
  3. Step 3: Cross multiply
    5,243.03x = 7,864.58 × 1,545.31
  4. Step 4: Simplify right side
    5,243.03x = 12,153,214.12
  5. Step 5: Solve for x
    x = 12,153,214.12/5,243.03
  6. Step 6: Final answer
    x = 2,317.98

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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.