Home / 6,988.72-10,484.88-2,058.16

Finding the Fourth Proportional to 6,988.72, 10,484.88 and 2,058.16

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Solution

The fourth proportional to 6,988.72, 10,484.88 and 2,058.16 is: 3,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.72 : 10,484.88 = 2,058.16 : x
  2. Step 2: Convert to fraction form
    6,988.72/10,484.88 = 2,058.16/x
  3. Step 3: Cross multiply
    6,988.72x = 10,484.88 × 2,058.16
  4. Step 4: Simplify right side
    6,988.72x = 21,579,560.62
  5. Step 5: Solve for x
    x = 21,579,560.62/6,988.72
  6. Step 6: Final answer
    x = 3,087.77

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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.