Home / 7,058.98-9,740.95-3,915.37

Finding the Fourth Proportional to 7,058.98, 9,740.95 and 3,915.37

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Solution

The fourth proportional to 7,058.98, 9,740.95 and 3,915.37 is: 5,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.98 : 9,740.95 = 3,915.37 : x
  2. Step 2: Convert to fraction form
    7,058.98/9,740.95 = 3,915.37/x
  3. Step 3: Cross multiply
    7,058.98x = 9,740.95 × 3,915.37
  4. Step 4: Simplify right side
    7,058.98x = 38,139,423.40
  5. Step 5: Solve for x
    x = 38,139,423.40/7,058.98
  6. Step 6: Final answer
    x = 5,402.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.