Home / 4,988.40-7,466.40-3,530.40

Finding the Fourth Proportional to 4,988.40, 7,466.40 and 3,530.40

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Solution

The fourth proportional to 4,988.40, 7,466.40 and 3,530.40 is: 5,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.40 : 7,466.40 = 3,530.40 : x
  2. Step 2: Convert to fraction form
    4,988.40/7,466.40 = 3,530.40/x
  3. Step 3: Cross multiply
    4,988.40x = 7,466.40 × 3,530.40
  4. Step 4: Simplify right side
    4,988.40x = 26,359,378.56
  5. Step 5: Solve for x
    x = 26,359,378.56/4,988.40
  6. Step 6: Final answer
    x = 5,284.13

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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.