Home / 4,925.76-7,389.24-1,805.40

Finding the Fourth Proportional to 4,925.76, 7,389.24 and 1,805.40

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Solution

The fourth proportional to 4,925.76, 7,389.24 and 1,805.40 is: 2,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.76 : 7,389.24 = 1,805.40 : x
  2. Step 2: Convert to fraction form
    4,925.76/7,389.24 = 1,805.40/x
  3. Step 3: Cross multiply
    4,925.76x = 7,389.24 × 1,805.40
  4. Step 4: Simplify right side
    4,925.76x = 13,340,533.90
  5. Step 5: Solve for x
    x = 13,340,533.90/4,925.76
  6. Step 6: Final answer
    x = 2,708.32

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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.