Home / 5,014.79-7,515.01-2,818.91

Finding the Fourth Proportional to 5,014.79, 7,515.01 and 2,818.91

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Solution

The fourth proportional to 5,014.79, 7,515.01 and 2,818.91 is: 4,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.79 : 7,515.01 = 2,818.91 : x
  2. Step 2: Convert to fraction form
    5,014.79/7,515.01 = 2,818.91/x
  3. Step 3: Cross multiply
    5,014.79x = 7,515.01 × 2,818.91
  4. Step 4: Simplify right side
    5,014.79x = 21,184,159.15
  5. Step 5: Solve for x
    x = 21,184,159.15/5,014.79
  6. Step 6: Final answer
    x = 4,224.34

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1.5x scale

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.