Home / 7,631.36-11,459.75-5,148.53

Finding the Fourth Proportional to 7,631.36, 11,459.75 and 5,148.53

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Solution

The fourth proportional to 7,631.36, 11,459.75 and 5,148.53 is: 7,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.36 : 11,459.75 = 5,148.53 : x
  2. Step 2: Convert to fraction form
    7,631.36/11,459.75 = 5,148.53/x
  3. Step 3: Cross multiply
    7,631.36x = 11,459.75 × 5,148.53
  4. Step 4: Simplify right side
    7,631.36x = 59,000,866.67
  5. Step 5: Solve for x
    x = 59,000,866.67/7,631.36
  6. Step 6: Final answer
    x = 7,731.37

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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.