Home / 5,285.64-7,294.08-2,927.76

Finding the Fourth Proportional to 5,285.64, 7,294.08 and 2,927.76

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Solution

The fourth proportional to 5,285.64, 7,294.08 and 2,927.76 is: 4,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.64 : 7,294.08 = 2,927.76 : x
  2. Step 2: Convert to fraction form
    5,285.64/7,294.08 = 2,927.76/x
  3. Step 3: Cross multiply
    5,285.64x = 7,294.08 × 2,927.76
  4. Step 4: Simplify right side
    5,285.64x = 21,355,315.66
  5. Step 5: Solve for x
    x = 21,355,315.66/5,285.64
  6. Step 6: Final answer
    x = 4,040.25

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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.