Home / 4,020.10-6,030.15-1,098.70

Finding the Fourth Proportional to 4,020.10, 6,030.15 and 1,098.70

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Solution

The fourth proportional to 4,020.10, 6,030.15 and 1,098.70 is: 1,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.10 : 6,030.15 = 1,098.70 : x
  2. Step 2: Convert to fraction form
    4,020.10/6,030.15 = 1,098.70/x
  3. Step 3: Cross multiply
    4,020.10x = 6,030.15 × 1,098.70
  4. Step 4: Simplify right side
    4,020.10x = 6,625,325.81
  5. Step 5: Solve for x
    x = 6,625,325.81/4,020.10
  6. Step 6: Final answer
    x = 1,648.05

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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.