Home / 8,977.77-13,466.30-3,430.89

Finding the Fourth Proportional to 8,977.77, 13,466.30 and 3,430.89

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Solution

The fourth proportional to 8,977.77, 13,466.30 and 3,430.89 is: 5,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.77 : 13,466.30 = 3,430.89 : x
  2. Step 2: Convert to fraction form
    8,977.77/13,466.30 = 3,430.89/x
  3. Step 3: Cross multiply
    8,977.77x = 13,466.30 × 3,430.89
  4. Step 4: Simplify right side
    8,977.77x = 46,201,376.85
  5. Step 5: Solve for x
    x = 46,201,376.85/8,977.77
  6. Step 6: Final answer
    x = 5,146.20

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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.