Home / 5,436.81-8,154.90-1,541.07

Finding the Fourth Proportional to 5,436.81, 8,154.90 and 1,541.07

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Solution

The fourth proportional to 5,436.81, 8,154.90 and 1,541.07 is: 2,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.81 : 8,154.90 = 1,541.07 : x
  2. Step 2: Convert to fraction form
    5,436.81/8,154.90 = 1,541.07/x
  3. Step 3: Cross multiply
    5,436.81x = 8,154.90 × 1,541.07
  4. Step 4: Simplify right side
    5,436.81x = 12,567,271.74
  5. Step 5: Solve for x
    x = 12,567,271.74/5,436.81
  6. Step 6: Final answer
    x = 2,311.52

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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.