Home / 4,528.28-6,790.40-1,605.80

Finding the Fourth Proportional to 4,528.28, 6,790.40 and 1,605.80

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Solution

The fourth proportional to 4,528.28, 6,790.40 and 1,605.80 is: 2,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,528.28 : 6,790.40 = 1,605.80 : x
  2. Step 2: Convert to fraction form
    4,528.28/6,790.40 = 1,605.80/x
  3. Step 3: Cross multiply
    4,528.28x = 6,790.40 × 1,605.80
  4. Step 4: Simplify right side
    4,528.28x = 10,904,024.32
  5. Step 5: Solve for x
    x = 10,904,024.32/4,528.28
  6. Step 6: Final answer
    x = 2,407.98

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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.