Home / 7,038.44-10,557.93-3,142.88

Finding the Fourth Proportional to 7,038.44, 10,557.93 and 3,142.88

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Solution

The fourth proportional to 7,038.44, 10,557.93 and 3,142.88 is: 4,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.44 : 10,557.93 = 3,142.88 : x
  2. Step 2: Convert to fraction form
    7,038.44/10,557.93 = 3,142.88/x
  3. Step 3: Cross multiply
    7,038.44x = 10,557.93 × 3,142.88
  4. Step 4: Simplify right side
    7,038.44x = 33,182,307.04
  5. Step 5: Solve for x
    x = 33,182,307.04/7,038.44
  6. Step 6: Final answer
    x = 4,714.44

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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.