Home / 7,136.12-10,703.10-2,455.40

Finding the Fourth Proportional to 7,136.12, 10,703.10 and 2,455.40

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Solution

The fourth proportional to 7,136.12, 10,703.10 and 2,455.40 is: 3,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.12 : 10,703.10 = 2,455.40 : x
  2. Step 2: Convert to fraction form
    7,136.12/10,703.10 = 2,455.40/x
  3. Step 3: Cross multiply
    7,136.12x = 10,703.10 × 2,455.40
  4. Step 4: Simplify right side
    7,136.12x = 26,280,427.71
  5. Step 5: Solve for x
    x = 26,280,427.71/7,136.12
  6. Step 6: Final answer
    x = 3,682.73

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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.