Home / 6,455.56-8,911.40-4,362.52

Finding the Fourth Proportional to 6,455.56, 8,911.40 and 4,362.52

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Solution

The fourth proportional to 6,455.56, 8,911.40 and 4,362.52 is: 6,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.56 : 8,911.40 = 4,362.52 : x
  2. Step 2: Convert to fraction form
    6,455.56/8,911.40 = 4,362.52/x
  3. Step 3: Cross multiply
    6,455.56x = 8,911.40 × 4,362.52
  4. Step 4: Simplify right side
    6,455.56x = 38,876,094.36
  5. Step 5: Solve for x
    x = 38,876,094.36/6,455.56
  6. Step 6: Final answer
    x = 6,022.11

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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.