Home / 7,012.76-10,511.15-4,381.48

Finding the Fourth Proportional to 7,012.76, 10,511.15 and 4,381.48

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Solution

The fourth proportional to 7,012.76, 10,511.15 and 4,381.48 is: 6,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.76 : 10,511.15 = 4,381.48 : x
  2. Step 2: Convert to fraction form
    7,012.76/10,511.15 = 4,381.48/x
  3. Step 3: Cross multiply
    7,012.76x = 10,511.15 × 4,381.48
  4. Step 4: Simplify right side
    7,012.76x = 46,054,345.32
  5. Step 5: Solve for x
    x = 46,054,345.32/7,012.76
  6. Step 6: Final answer
    x = 6,567.22

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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.