Home / 7,472.48-10,316.98-4,644.07

Finding the Fourth Proportional to 7,472.48, 10,316.98 and 4,644.07

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Solution

The fourth proportional to 7,472.48, 10,316.98 and 4,644.07 is: 6,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.48 : 10,316.98 = 4,644.07 : x
  2. Step 2: Convert to fraction form
    7,472.48/10,316.98 = 4,644.07/x
  3. Step 3: Cross multiply
    7,472.48x = 10,316.98 × 4,644.07
  4. Step 4: Simplify right side
    7,472.48x = 47,912,796.01
  5. Step 5: Solve for x
    x = 47,912,796.01/7,472.48
  6. Step 6: Final answer
    x = 6,411.90

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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.