Home / 8,403.56-12,605.36-2,560.16

Finding the Fourth Proportional to 8,403.56, 12,605.36 and 2,560.16

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Solution

The fourth proportional to 8,403.56, 12,605.36 and 2,560.16 is: 3,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.56 : 12,605.36 = 2,560.16 : x
  2. Step 2: Convert to fraction form
    8,403.56/12,605.36 = 2,560.16/x
  3. Step 3: Cross multiply
    8,403.56x = 12,605.36 × 2,560.16
  4. Step 4: Simplify right side
    8,403.56x = 32,271,738.46
  5. Step 5: Solve for x
    x = 32,271,738.46/8,403.56
  6. Step 6: Final answer
    x = 3,840.25

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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.