Home / 5,256.65-7,886.21-1,558.91

Finding the Fourth Proportional to 5,256.65, 7,886.21 and 1,558.91

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Solution

The fourth proportional to 5,256.65, 7,886.21 and 1,558.91 is: 2,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.65 : 7,886.21 = 1,558.91 : x
  2. Step 2: Convert to fraction form
    5,256.65/7,886.21 = 1,558.91/x
  3. Step 3: Cross multiply
    5,256.65x = 7,886.21 × 1,558.91
  4. Step 4: Simplify right side
    5,256.65x = 12,293,844.41
  5. Step 5: Solve for x
    x = 12,293,844.41/5,256.65
  6. Step 6: Final answer
    x = 2,338.72

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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.