Home / 7,702.07-10,628.79-4,165.29

Finding the Fourth Proportional to 7,702.07, 10,628.79 and 4,165.29

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Solution

The fourth proportional to 7,702.07, 10,628.79 and 4,165.29 is: 5,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.07 : 10,628.79 = 4,165.29 : x
  2. Step 2: Convert to fraction form
    7,702.07/10,628.79 = 4,165.29/x
  3. Step 3: Cross multiply
    7,702.07x = 10,628.79 × 4,165.29
  4. Step 4: Simplify right side
    7,702.07x = 44,271,967.38
  5. Step 5: Solve for x
    x = 44,271,967.38/7,702.07
  6. Step 6: Final answer
    x = 5,748.06

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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.