Home / 6,020.87-9,030.40-1,638.68

Finding the Fourth Proportional to 6,020.87, 9,030.40 and 1,638.68

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Solution

The fourth proportional to 6,020.87, 9,030.40 and 1,638.68 is: 2,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.87 : 9,030.40 = 1,638.68 : x
  2. Step 2: Convert to fraction form
    6,020.87/9,030.40 = 1,638.68/x
  3. Step 3: Cross multiply
    6,020.87x = 9,030.40 × 1,638.68
  4. Step 4: Simplify right side
    6,020.87x = 14,797,886.62
  5. Step 5: Solve for x
    x = 14,797,886.62/6,020.87
  6. Step 6: Final answer
    x = 2,457.76

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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.