Home / 5,239.84-7,858.64-1,541.06

Finding the Fourth Proportional to 5,239.84, 7,858.64 and 1,541.06

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Solution

The fourth proportional to 5,239.84, 7,858.64 and 1,541.06 is: 2,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.84 : 7,858.64 = 1,541.06 : x
  2. Step 2: Convert to fraction form
    5,239.84/7,858.64 = 1,541.06/x
  3. Step 3: Cross multiply
    5,239.84x = 7,858.64 × 1,541.06
  4. Step 4: Simplify right side
    5,239.84x = 12,110,635.76
  5. Step 5: Solve for x
    x = 12,110,635.76/5,239.84
  6. Step 6: Final answer
    x = 2,311.26

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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.