Home / 7,430.86-10,248.90-5,440.70

Finding the Fourth Proportional to 7,430.86, 10,248.90 and 5,440.70

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Solution

The fourth proportional to 7,430.86, 10,248.90 and 5,440.70 is: 7,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.86 : 10,248.90 = 5,440.70 : x
  2. Step 2: Convert to fraction form
    7,430.86/10,248.90 = 5,440.70/x
  3. Step 3: Cross multiply
    7,430.86x = 10,248.90 × 5,440.70
  4. Step 4: Simplify right side
    7,430.86x = 55,761,190.23
  5. Step 5: Solve for x
    x = 55,761,190.23/7,430.86
  6. Step 6: Final answer
    x = 7,504.00

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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.