Home / 5,503.40-8,254.28-1,808.58

Finding the Fourth Proportional to 5,503.40, 8,254.28 and 1,808.58

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Solution

The fourth proportional to 5,503.40, 8,254.28 and 1,808.58 is: 2,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.40 : 8,254.28 = 1,808.58 : x
  2. Step 2: Convert to fraction form
    5,503.40/8,254.28 = 1,808.58/x
  3. Step 3: Cross multiply
    5,503.40x = 8,254.28 × 1,808.58
  4. Step 4: Simplify right side
    5,503.40x = 14,928,530.24
  5. Step 5: Solve for x
    x = 14,928,530.24/5,503.40
  6. Step 6: Final answer
    x = 2,712.60

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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.