Home / 5,931.19-8,178.42-4,851.10

Finding the Fourth Proportional to 5,931.19, 8,178.42 and 4,851.10

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Solution

The fourth proportional to 5,931.19, 8,178.42 and 4,851.10 is: 6,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.19 : 8,178.42 = 4,851.10 : x
  2. Step 2: Convert to fraction form
    5,931.19/8,178.42 = 4,851.10/x
  3. Step 3: Cross multiply
    5,931.19x = 8,178.42 × 4,851.10
  4. Step 4: Simplify right side
    5,931.19x = 39,674,333.26
  5. Step 5: Solve for x
    x = 39,674,333.26/5,931.19
  6. Step 6: Final answer
    x = 6,689.10

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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.