Home / 5,315.19-7,335.32-3,549.75

Finding the Fourth Proportional to 5,315.19, 7,335.32 and 3,549.75

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Solution

The fourth proportional to 5,315.19, 7,335.32 and 3,549.75 is: 4,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.19 : 7,335.32 = 3,549.75 : x
  2. Step 2: Convert to fraction form
    5,315.19/7,335.32 = 3,549.75/x
  3. Step 3: Cross multiply
    5,315.19x = 7,335.32 × 3,549.75
  4. Step 4: Simplify right side
    5,315.19x = 26,038,534.42
  5. Step 5: Solve for x
    x = 26,038,534.42/5,315.19
  6. Step 6: Final answer
    x = 4,898.89

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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.