Home / 8,977.29-13,466.88-3,430.60

Finding the Fourth Proportional to 8,977.29, 13,466.88 and 3,430.60

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Solution

The fourth proportional to 8,977.29, 13,466.88 and 3,430.60 is: 5,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.29 : 13,466.88 = 3,430.60 : x
  2. Step 2: Convert to fraction form
    8,977.29/13,466.88 = 3,430.60/x
  3. Step 3: Cross multiply
    8,977.29x = 13,466.88 × 3,430.60
  4. Step 4: Simplify right side
    8,977.29x = 46,199,476.80
  5. Step 5: Solve for x
    x = 46,199,476.80/8,977.29
  6. Step 6: Final answer
    x = 5,146.26

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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.