Home / 5,812.08-8,021.40-3,715.44

Finding the Fourth Proportional to 5,812.08, 8,021.40 and 3,715.44

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Solution

The fourth proportional to 5,812.08, 8,021.40 and 3,715.44 is: 5,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.08 : 8,021.40 = 3,715.44 : x
  2. Step 2: Convert to fraction form
    5,812.08/8,021.40 = 3,715.44/x
  3. Step 3: Cross multiply
    5,812.08x = 8,021.40 × 3,715.44
  4. Step 4: Simplify right side
    5,812.08x = 29,803,030.42
  5. Step 5: Solve for x
    x = 29,803,030.42/5,812.08
  6. Step 6: Final answer
    x = 5,127.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.