Home / 5,665.23-7,818.80-3,307.46

Finding the Fourth Proportional to 5,665.23, 7,818.80 and 3,307.46

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Solution

The fourth proportional to 5,665.23, 7,818.80 and 3,307.46 is: 4,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.23 : 7,818.80 = 3,307.46 : x
  2. Step 2: Convert to fraction form
    5,665.23/7,818.80 = 3,307.46/x
  3. Step 3: Cross multiply
    5,665.23x = 7,818.80 × 3,307.46
  4. Step 4: Simplify right side
    5,665.23x = 25,860,312.62
  5. Step 5: Solve for x
    x = 25,860,312.62/5,665.23
  6. Step 6: Final answer
    x = 4,564.74

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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.