Home / 4,045.90-6,069.36-1,124.20

Finding the Fourth Proportional to 4,045.90, 6,069.36 and 1,124.20

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Solution

The fourth proportional to 4,045.90, 6,069.36 and 1,124.20 is: 1,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.90 : 6,069.36 = 1,124.20 : x
  2. Step 2: Convert to fraction form
    4,045.90/6,069.36 = 1,124.20/x
  3. Step 3: Cross multiply
    4,045.90x = 6,069.36 × 1,124.20
  4. Step 4: Simplify right side
    4,045.90x = 6,823,193.90
  5. Step 5: Solve for x
    x = 6,823,193.90/4,045.90
  6. Step 6: Final answer
    x = 1,686.45

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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.