Home / 4,281.93-6,420.87-1,359.45

Finding the Fourth Proportional to 4,281.93, 6,420.87 and 1,359.45

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Solution

The fourth proportional to 4,281.93, 6,420.87 and 1,359.45 is: 2,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.93 : 6,420.87 = 1,359.45 : x
  2. Step 2: Convert to fraction form
    4,281.93/6,420.87 = 1,359.45/x
  3. Step 3: Cross multiply
    4,281.93x = 6,420.87 × 1,359.45
  4. Step 4: Simplify right side
    4,281.93x = 8,728,851.72
  5. Step 5: Solve for x
    x = 8,728,851.72/4,281.93
  6. Step 6: Final answer
    x = 2,038.53

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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.