Home / 6,437.40-8,883.60-3,749.28

Finding the Fourth Proportional to 6,437.40, 8,883.60 and 3,749.28

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Solution

The fourth proportional to 6,437.40, 8,883.60 and 3,749.28 is: 5,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.40 : 8,883.60 = 3,749.28 : x
  2. Step 2: Convert to fraction form
    6,437.40/8,883.60 = 3,749.28/x
  3. Step 3: Cross multiply
    6,437.40x = 8,883.60 × 3,749.28
  4. Step 4: Simplify right side
    6,437.40x = 33,307,103.81
  5. Step 5: Solve for x
    x = 33,307,103.81/6,437.40
  6. Step 6: Final answer
    x = 5,174.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.