Home / 6,466.80-9,697.28-1,848.72

Finding the Fourth Proportional to 6,466.80, 9,697.28 and 1,848.72

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Solution

The fourth proportional to 6,466.80, 9,697.28 and 1,848.72 is: 2,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.80 : 9,697.28 = 1,848.72 : x
  2. Step 2: Convert to fraction form
    6,466.80/9,697.28 = 1,848.72/x
  3. Step 3: Cross multiply
    6,466.80x = 9,697.28 × 1,848.72
  4. Step 4: Simplify right side
    6,466.80x = 17,927,555.48
  5. Step 5: Solve for x
    x = 17,927,555.48/6,466.80
  6. Step 6: Final answer
    x = 2,772.25

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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.