Home / 4,281.56-6,421.78-1,360.12

Finding the Fourth Proportional to 4,281.56, 6,421.78 and 1,360.12

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Solution

The fourth proportional to 4,281.56, 6,421.78 and 1,360.12 is: 2,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.56 : 6,421.78 = 1,360.12 : x
  2. Step 2: Convert to fraction form
    4,281.56/6,421.78 = 1,360.12/x
  3. Step 3: Cross multiply
    4,281.56x = 6,421.78 × 1,360.12
  4. Step 4: Simplify right side
    4,281.56x = 8,734,391.41
  5. Step 5: Solve for x
    x = 8,734,391.41/4,281.56
  6. Step 6: Final answer
    x = 2,040.00

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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.