Home / 6,030.60-9,045.60-3,109.20

Finding the Fourth Proportional to 6,030.60, 9,045.60 and 3,109.20

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Solution

The fourth proportional to 6,030.60, 9,045.60 and 3,109.20 is: 4,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,030.60 : 9,045.60 = 3,109.20 : x
  2. Step 2: Convert to fraction form
    6,030.60/9,045.60 = 3,109.20/x
  3. Step 3: Cross multiply
    6,030.60x = 9,045.60 × 3,109.20
  4. Step 4: Simplify right side
    6,030.60x = 28,124,579.52
  5. Step 5: Solve for x
    x = 28,124,579.52/6,030.60
  6. Step 6: Final answer
    x = 4,663.65

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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.