Home / 4,378.95-6,566.15-1,605.51

Finding the Fourth Proportional to 4,378.95, 6,566.15 and 1,605.51

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Solution

The fourth proportional to 4,378.95, 6,566.15 and 1,605.51 is: 2,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.95 : 6,566.15 = 1,605.51 : x
  2. Step 2: Convert to fraction form
    4,378.95/6,566.15 = 1,605.51/x
  3. Step 3: Cross multiply
    4,378.95x = 6,566.15 × 1,605.51
  4. Step 4: Simplify right side
    4,378.95x = 10,542,011.46
  5. Step 5: Solve for x
    x = 10,542,011.46/4,378.95
  6. Step 6: Final answer
    x = 2,407.43

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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.