Home / 4,572.47-6,858.95-1,285.30

Finding the Fourth Proportional to 4,572.47, 6,858.95 and 1,285.30

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Solution

The fourth proportional to 4,572.47, 6,858.95 and 1,285.30 is: 1,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.47 : 6,858.95 = 1,285.30 : x
  2. Step 2: Convert to fraction form
    4,572.47/6,858.95 = 1,285.30/x
  3. Step 3: Cross multiply
    4,572.47x = 6,858.95 × 1,285.30
  4. Step 4: Simplify right side
    4,572.47x = 8,815,808.44
  5. Step 5: Solve for x
    x = 8,815,808.44/4,572.47
  6. Step 6: Final answer
    x = 1,928.02

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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.