Home / 5,137.32-7,089.08-2,898.76

Finding the Fourth Proportional to 5,137.32, 7,089.08 and 2,898.76

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Solution

The fourth proportional to 5,137.32, 7,089.08 and 2,898.76 is: 4,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.32 : 7,089.08 = 2,898.76 : x
  2. Step 2: Convert to fraction form
    5,137.32/7,089.08 = 2,898.76/x
  3. Step 3: Cross multiply
    5,137.32x = 7,089.08 × 2,898.76
  4. Step 4: Simplify right side
    5,137.32x = 20,549,541.54
  5. Step 5: Solve for x
    x = 20,549,541.54/5,137.32
  6. Step 6: Final answer
    x = 4,000.05

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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.