Home / 4,590.21-6,885.36-1,127.46

Finding the Fourth Proportional to 4,590.21, 6,885.36 and 1,127.46

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Solution

The fourth proportional to 4,590.21, 6,885.36 and 1,127.46 is: 1,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.21 : 6,885.36 = 1,127.46 : x
  2. Step 2: Convert to fraction form
    4,590.21/6,885.36 = 1,127.46/x
  3. Step 3: Cross multiply
    4,590.21x = 6,885.36 × 1,127.46
  4. Step 4: Simplify right side
    4,590.21x = 7,762,967.99
  5. Step 5: Solve for x
    x = 7,762,967.99/4,590.21
  6. Step 6: Final answer
    x = 1,691.20

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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.