Home / 5,427.04-8,141.73-1,916.92

Finding the Fourth Proportional to 5,427.04, 8,141.73 and 1,916.92

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Solution

The fourth proportional to 5,427.04, 8,141.73 and 1,916.92 is: 2,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.04 : 8,141.73 = 1,916.92 : x
  2. Step 2: Convert to fraction form
    5,427.04/8,141.73 = 1,916.92/x
  3. Step 3: Cross multiply
    5,427.04x = 8,141.73 × 1,916.92
  4. Step 4: Simplify right side
    5,427.04x = 15,607,045.07
  5. Step 5: Solve for x
    x = 15,607,045.07/5,427.04
  6. Step 6: Final answer
    x = 2,875.79

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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.