Home / 7,399.89-10,210.86-4,255.47

Finding the Fourth Proportional to 7,399.89, 10,210.86 and 4,255.47

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Solution

The fourth proportional to 7,399.89, 10,210.86 and 4,255.47 is: 5,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.89 : 10,210.86 = 4,255.47 : x
  2. Step 2: Convert to fraction form
    7,399.89/10,210.86 = 4,255.47/x
  3. Step 3: Cross multiply
    7,399.89x = 10,210.86 × 4,255.47
  4. Step 4: Simplify right side
    7,399.89x = 43,452,008.40
  5. Step 5: Solve for x
    x = 43,452,008.40/7,399.89
  6. Step 6: Final answer
    x = 5,871.98

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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.