Home / 4,281.60-6,422.40-1,511.40

Finding the Fourth Proportional to 4,281.60, 6,422.40 and 1,511.40

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Solution

The fourth proportional to 4,281.60, 6,422.40 and 1,511.40 is: 2,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.60 : 6,422.40 = 1,511.40 : x
  2. Step 2: Convert to fraction form
    4,281.60/6,422.40 = 1,511.40/x
  3. Step 3: Cross multiply
    4,281.60x = 6,422.40 × 1,511.40
  4. Step 4: Simplify right side
    4,281.60x = 9,706,815.36
  5. Step 5: Solve for x
    x = 9,706,815.36/4,281.60
  6. Step 6: Final answer
    x = 2,267.10

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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.