Home / 6,020.92-9,030.47-1,638.72

Finding the Fourth Proportional to 6,020.92, 9,030.47 and 1,638.72

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Solution

The fourth proportional to 6,020.92, 9,030.47 and 1,638.72 is: 2,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.92 : 9,030.47 = 1,638.72 : x
  2. Step 2: Convert to fraction form
    6,020.92/9,030.47 = 1,638.72/x
  3. Step 3: Cross multiply
    6,020.92x = 9,030.47 × 1,638.72
  4. Step 4: Simplify right side
    6,020.92x = 14,798,409.75
  5. Step 5: Solve for x
    x = 14,798,409.75/6,020.92
  6. Step 6: Final answer
    x = 2,457.83

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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.