Home / 4,692.60-7,038.54-1,229.76

Finding the Fourth Proportional to 4,692.60, 7,038.54 and 1,229.76

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Solution

The fourth proportional to 4,692.60, 7,038.54 and 1,229.76 is: 1,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.60 : 7,038.54 = 1,229.76 : x
  2. Step 2: Convert to fraction form
    4,692.60/7,038.54 = 1,229.76/x
  3. Step 3: Cross multiply
    4,692.60x = 7,038.54 × 1,229.76
  4. Step 4: Simplify right side
    4,692.60x = 8,655,714.95
  5. Step 5: Solve for x
    x = 8,655,714.95/4,692.60
  6. Step 6: Final answer
    x = 1,844.55

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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.