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Finding the Fourth Proportional to 6,485.46, 8,950.53 and 5,070.42

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Solution

The fourth proportional to 6,485.46, 8,950.53 and 5,070.42 is: 6,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.46 : 8,950.53 = 5,070.42 : x
  2. Step 2: Convert to fraction form
    6,485.46/8,950.53 = 5,070.42/x
  3. Step 3: Cross multiply
    6,485.46x = 8,950.53 × 5,070.42
  4. Step 4: Simplify right side
    6,485.46x = 45,382,946.32
  5. Step 5: Solve for x
    x = 45,382,946.32/6,485.46
  6. Step 6: Final answer
    x = 6,997.64

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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.