Home / 4,590.28-6,885.36-1,127.50

Finding the Fourth Proportional to 4,590.28, 6,885.36 and 1,127.50

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Solution

The fourth proportional to 4,590.28, 6,885.36 and 1,127.50 is: 1,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.28 : 6,885.36 = 1,127.50 : x
  2. Step 2: Convert to fraction form
    4,590.28/6,885.36 = 1,127.50/x
  3. Step 3: Cross multiply
    4,590.28x = 6,885.36 × 1,127.50
  4. Step 4: Simplify right side
    4,590.28x = 7,763,243.40
  5. Step 5: Solve for x
    x = 7,763,243.40/4,590.28
  6. Step 6: Final answer
    x = 1,691.24

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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.