Home / 7,927.85-10,915.53-6,730.35

Finding the Fourth Proportional to 7,927.85, 10,915.53 and 6,730.35

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Solution

The fourth proportional to 7,927.85, 10,915.53 and 6,730.35 is: 9,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.85 : 10,915.53 = 6,730.35 : x
  2. Step 2: Convert to fraction form
    7,927.85/10,915.53 = 6,730.35/x
  3. Step 3: Cross multiply
    7,927.85x = 10,915.53 × 6,730.35
  4. Step 4: Simplify right side
    7,927.85x = 73,465,337.34
  5. Step 5: Solve for x
    x = 73,465,337.34/7,927.85
  6. Step 6: Final answer
    x = 9,266.75

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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.