Home / 4,926.30-6,798.35-2,688.15

Finding the Fourth Proportional to 4,926.30, 6,798.35 and 2,688.15

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Solution

The fourth proportional to 4,926.30, 6,798.35 and 2,688.15 is: 3,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.30 : 6,798.35 = 2,688.15 : x
  2. Step 2: Convert to fraction form
    4,926.30/6,798.35 = 2,688.15/x
  3. Step 3: Cross multiply
    4,926.30x = 6,798.35 × 2,688.15
  4. Step 4: Simplify right side
    4,926.30x = 18,274,971.11
  5. Step 5: Solve for x
    x = 18,274,971.11/4,926.30
  6. Step 6: Final answer
    x = 3,709.67

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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.