Home / 7,215.36-10,827.36-2,598.72

Finding the Fourth Proportional to 7,215.36, 10,827.36 and 2,598.72

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Solution

The fourth proportional to 7,215.36, 10,827.36 and 2,598.72 is: 3,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.36 : 10,827.36 = 2,598.72 : x
  2. Step 2: Convert to fraction form
    7,215.36/10,827.36 = 2,598.72/x
  3. Step 3: Cross multiply
    7,215.36x = 10,827.36 × 2,598.72
  4. Step 4: Simplify right side
    7,215.36x = 28,137,276.98
  5. Step 5: Solve for x
    x = 28,137,276.98/7,215.36
  6. Step 6: Final answer
    x = 3,899.64

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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.