Home / 7,557.58-11,312.10-4,038.78

Finding the Fourth Proportional to 7,557.58, 11,312.10 and 4,038.78

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Solution

The fourth proportional to 7,557.58, 11,312.10 and 4,038.78 is: 6,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.58 : 11,312.10 = 4,038.78 : x
  2. Step 2: Convert to fraction form
    7,557.58/11,312.10 = 4,038.78/x
  3. Step 3: Cross multiply
    7,557.58x = 11,312.10 × 4,038.78
  4. Step 4: Simplify right side
    7,557.58x = 45,687,083.24
  5. Step 5: Solve for x
    x = 45,687,083.24/7,557.58
  6. Step 6: Final answer
    x = 6,045.20

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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.