Home / 7,130.42-9,842.68-6,383.02

Finding the Fourth Proportional to 7,130.42, 9,842.68 and 6,383.02

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Solution

The fourth proportional to 7,130.42, 9,842.68 and 6,383.02 is: 8,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.42 : 9,842.68 = 6,383.02 : x
  2. Step 2: Convert to fraction form
    7,130.42/9,842.68 = 6,383.02/x
  3. Step 3: Cross multiply
    7,130.42x = 9,842.68 × 6,383.02
  4. Step 4: Simplify right side
    7,130.42x = 62,826,023.29
  5. Step 5: Solve for x
    x = 62,826,023.29/7,130.42
  6. Step 6: Final answer
    x = 8,810.98

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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.