Home / 4,925.84-7,386.30-1,637.78

Finding the Fourth Proportional to 4,925.84, 7,386.30 and 1,637.78

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Solution

The fourth proportional to 4,925.84, 7,386.30 and 1,637.78 is: 2,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.84 : 7,386.30 = 1,637.78 : x
  2. Step 2: Convert to fraction form
    4,925.84/7,386.30 = 1,637.78/x
  3. Step 3: Cross multiply
    4,925.84x = 7,386.30 × 1,637.78
  4. Step 4: Simplify right side
    4,925.84x = 12,097,134.41
  5. Step 5: Solve for x
    x = 12,097,134.41/4,925.84
  6. Step 6: Final answer
    x = 2,455.85

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1.5x scale

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.