Home / 10,271.32-15,407-2,875.84

Finding the Fourth Proportional to 10,271.32, 15,407 and 2,875.84

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Solution

The fourth proportional to 10,271.32, 15,407 and 2,875.84 is: 4,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.32 : 15,407 = 2,875.84 : x
  2. Step 2: Convert to fraction form
    10,271.32/15,407 = 2,875.84/x
  3. Step 3: Cross multiply
    10,271.32x = 15,407 × 2,875.84
  4. Step 4: Simplify right side
    10,271.32x = 44,308,066.88
  5. Step 5: Solve for x
    x = 44,308,066.88/10,271.32
  6. Step 6: Final answer
    x = 4,313.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.