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Finding the Fourth Proportional to 6,913.07, 9,532.49 and 4,671.05

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Solution

The fourth proportional to 6,913.07, 9,532.49 and 4,671.05 is: 6,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.07 : 9,532.49 = 4,671.05 : x
  2. Step 2: Convert to fraction form
    6,913.07/9,532.49 = 4,671.05/x
  3. Step 3: Cross multiply
    6,913.07x = 9,532.49 × 4,671.05
  4. Step 4: Simplify right side
    6,913.07x = 44,526,666.40
  5. Step 5: Solve for x
    x = 44,526,666.40/6,913.07
  6. Step 6: Final answer
    x = 6,440.94

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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.