Home / 5,827.79-8,042.40-3,437.81

Finding the Fourth Proportional to 5,827.79, 8,042.40 and 3,437.81

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Solution

The fourth proportional to 5,827.79, 8,042.40 and 3,437.81 is: 4,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.79 : 8,042.40 = 3,437.81 : x
  2. Step 2: Convert to fraction form
    5,827.79/8,042.40 = 3,437.81/x
  3. Step 3: Cross multiply
    5,827.79x = 8,042.40 × 3,437.81
  4. Step 4: Simplify right side
    5,827.79x = 27,648,225.95
  5. Step 5: Solve for x
    x = 27,648,225.95/5,827.79
  6. Step 6: Final answer
    x = 4,744.21

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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.