Home / 7,071.08-10,607.98-2,688.19

Finding the Fourth Proportional to 7,071.08, 10,607.98 and 2,688.19

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Solution

The fourth proportional to 7,071.08, 10,607.98 and 2,688.19 is: 4,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.08 : 10,607.98 = 2,688.19 : x
  2. Step 2: Convert to fraction form
    7,071.08/10,607.98 = 2,688.19/x
  3. Step 3: Cross multiply
    7,071.08x = 10,607.98 × 2,688.19
  4. Step 4: Simplify right side
    7,071.08x = 28,516,307.26
  5. Step 5: Solve for x
    x = 28,516,307.26/7,071.08
  6. Step 6: Final answer
    x = 4,032.81

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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.