Home / 4,500.45-6,750.72-1,578.75

Finding the Fourth Proportional to 4,500.45, 6,750.72 and 1,578.75

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Solution

The fourth proportional to 4,500.45, 6,750.72 and 1,578.75 is: 2,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.45 : 6,750.72 = 1,578.75 : x
  2. Step 2: Convert to fraction form
    4,500.45/6,750.72 = 1,578.75/x
  3. Step 3: Cross multiply
    4,500.45x = 6,750.72 × 1,578.75
  4. Step 4: Simplify right side
    4,500.45x = 10,657,699.20
  5. Step 5: Solve for x
    x = 10,657,699.20/4,500.45
  6. Step 6: Final answer
    x = 2,368.14

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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.