Home / 5,652.36-8,442.81-4,777.56

Finding the Fourth Proportional to 5,652.36, 8,442.81 and 4,777.56

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Solution

The fourth proportional to 5,652.36, 8,442.81 and 4,777.56 is: 7,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.36 : 8,442.81 = 4,777.56 : x
  2. Step 2: Convert to fraction form
    5,652.36/8,442.81 = 4,777.56/x
  3. Step 3: Cross multiply
    5,652.36x = 8,442.81 × 4,777.56
  4. Step 4: Simplify right side
    5,652.36x = 40,336,031.34
  5. Step 5: Solve for x
    x = 40,336,031.34/5,652.36
  6. Step 6: Final answer
    x = 7,136.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.