Home / 4,020.16-6,030.24-1,098.40

Finding the Fourth Proportional to 4,020.16, 6,030.24 and 1,098.40

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Solution

The fourth proportional to 4,020.16, 6,030.24 and 1,098.40 is: 1,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.16 : 6,030.24 = 1,098.40 : x
  2. Step 2: Convert to fraction form
    4,020.16/6,030.24 = 1,098.40/x
  3. Step 3: Cross multiply
    4,020.16x = 6,030.24 × 1,098.40
  4. Step 4: Simplify right side
    4,020.16x = 6,623,615.62
  5. Step 5: Solve for x
    x = 6,623,615.62/4,020.16
  6. Step 6: Final answer
    x = 1,647.60

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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.