Home / 7,440.49-10,270.40-5,207.03

Finding the Fourth Proportional to 7,440.49, 10,270.40 and 5,207.03

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Solution

The fourth proportional to 7,440.49, 10,270.40 and 5,207.03 is: 7,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.49 : 10,270.40 = 5,207.03 : x
  2. Step 2: Convert to fraction form
    7,440.49/10,270.40 = 5,207.03/x
  3. Step 3: Cross multiply
    7,440.49x = 10,270.40 × 5,207.03
  4. Step 4: Simplify right side
    7,440.49x = 53,478,280.91
  5. Step 5: Solve for x
    x = 53,478,280.91/7,440.49
  6. Step 6: Final answer
    x = 7,187.47

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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.