Home / 5,386.34-8,077.95-2,098.70

Finding the Fourth Proportional to 5,386.34, 8,077.95 and 2,098.70

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Solution

The fourth proportional to 5,386.34, 8,077.95 and 2,098.70 is: 3,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.34 : 8,077.95 = 2,098.70 : x
  2. Step 2: Convert to fraction form
    5,386.34/8,077.95 = 2,098.70/x
  3. Step 3: Cross multiply
    5,386.34x = 8,077.95 × 2,098.70
  4. Step 4: Simplify right side
    5,386.34x = 16,953,193.67
  5. Step 5: Solve for x
    x = 16,953,193.67/5,386.34
  6. Step 6: Final answer
    x = 3,147.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.