Home / 7,686.90-10,612.62-5,000.67

Finding the Fourth Proportional to 7,686.90, 10,612.62 and 5,000.67

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Solution

The fourth proportional to 7,686.90, 10,612.62 and 5,000.67 is: 6,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.90 : 10,612.62 = 5,000.67 : x
  2. Step 2: Convert to fraction form
    7,686.90/10,612.62 = 5,000.67/x
  3. Step 3: Cross multiply
    7,686.90x = 10,612.62 × 5,000.67
  4. Step 4: Simplify right side
    7,686.90x = 53,070,210.46
  5. Step 5: Solve for x
    x = 53,070,210.46/7,686.90
  6. Step 6: Final answer
    x = 6,903.98

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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.