Home / 7,773.64-10,670.23-6,915.55

Finding the Fourth Proportional to 7,773.64, 10,670.23 and 6,915.55

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Solution

The fourth proportional to 7,773.64, 10,670.23 and 6,915.55 is: 9,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.64 : 10,670.23 = 6,915.55 : x
  2. Step 2: Convert to fraction form
    7,773.64/10,670.23 = 6,915.55/x
  3. Step 3: Cross multiply
    7,773.64x = 10,670.23 × 6,915.55
  4. Step 4: Simplify right side
    7,773.64x = 73,790,509.08
  5. Step 5: Solve for x
    x = 73,790,509.08/7,773.64
  6. Step 6: Final answer
    x = 9,492.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.