Home / 5,125.48-7,688.46-1,615.96

Finding the Fourth Proportional to 5,125.48, 7,688.46 and 1,615.96

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Solution

The fourth proportional to 5,125.48, 7,688.46 and 1,615.96 is: 2,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.48 : 7,688.46 = 1,615.96 : x
  2. Step 2: Convert to fraction form
    5,125.48/7,688.46 = 1,615.96/x
  3. Step 3: Cross multiply
    5,125.48x = 7,688.46 × 1,615.96
  4. Step 4: Simplify right side
    5,125.48x = 12,424,243.82
  5. Step 5: Solve for x
    x = 12,424,243.82/5,125.48
  6. Step 6: Final answer
    x = 2,424.02

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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.