Home / 7,020.30-9,688.70-5,248.84

Finding the Fourth Proportional to 7,020.30, 9,688.70 and 5,248.84

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Solution

The fourth proportional to 7,020.30, 9,688.70 and 5,248.84 is: 7,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.30 : 9,688.70 = 5,248.84 : x
  2. Step 2: Convert to fraction form
    7,020.30/9,688.70 = 5,248.84/x
  3. Step 3: Cross multiply
    7,020.30x = 9,688.70 × 5,248.84
  4. Step 4: Simplify right side
    7,020.30x = 50,854,436.11
  5. Step 5: Solve for x
    x = 50,854,436.11/7,020.30
  6. Step 6: Final answer
    x = 7,243.91

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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.