Home / 5,347.98-7,381.74-3,110.40

Finding the Fourth Proportional to 5,347.98, 7,381.74 and 3,110.40

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Solution

The fourth proportional to 5,347.98, 7,381.74 and 3,110.40 is: 4,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.98 : 7,381.74 = 3,110.40 : x
  2. Step 2: Convert to fraction form
    5,347.98/7,381.74 = 3,110.40/x
  3. Step 3: Cross multiply
    5,347.98x = 7,381.74 × 3,110.40
  4. Step 4: Simplify right side
    5,347.98x = 22,960,164.10
  5. Step 5: Solve for x
    x = 22,960,164.10/5,347.98
  6. Step 6: Final answer
    x = 4,293.24

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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.