Home / 7,389.74-10,200.12-4,248.02

Finding the Fourth Proportional to 7,389.74, 10,200.12 and 4,248.02

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Solution

The fourth proportional to 7,389.74, 10,200.12 and 4,248.02 is: 5,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.74 : 10,200.12 = 4,248.02 : x
  2. Step 2: Convert to fraction form
    7,389.74/10,200.12 = 4,248.02/x
  3. Step 3: Cross multiply
    7,389.74x = 10,200.12 × 4,248.02
  4. Step 4: Simplify right side
    7,389.74x = 43,330,313.76
  5. Step 5: Solve for x
    x = 43,330,313.76/7,389.74
  6. Step 6: Final answer
    x = 5,863.58

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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.