Home / 6,840.10-10,260.75-5,013.94

Finding the Fourth Proportional to 6,840.10, 10,260.75 and 5,013.94

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Solution

The fourth proportional to 6,840.10, 10,260.75 and 5,013.94 is: 7,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.10 : 10,260.75 = 5,013.94 : x
  2. Step 2: Convert to fraction form
    6,840.10/10,260.75 = 5,013.94/x
  3. Step 3: Cross multiply
    6,840.10x = 10,260.75 × 5,013.94
  4. Step 4: Simplify right side
    6,840.10x = 51,446,784.86
  5. Step 5: Solve for x
    x = 51,446,784.86/6,840.10
  6. Step 6: Final answer
    x = 7,521.35

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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.