Home / 5,276.10-7,281.36-3,038.70

Finding the Fourth Proportional to 5,276.10, 7,281.36 and 3,038.70

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Solution

The fourth proportional to 5,276.10, 7,281.36 and 3,038.70 is: 4,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.10 : 7,281.36 = 3,038.70 : x
  2. Step 2: Convert to fraction form
    5,276.10/7,281.36 = 3,038.70/x
  3. Step 3: Cross multiply
    5,276.10x = 7,281.36 × 3,038.70
  4. Step 4: Simplify right side
    5,276.10x = 22,125,868.63
  5. Step 5: Solve for x
    x = 22,125,868.63/5,276.10
  6. Step 6: Final answer
    x = 4,193.60

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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.