Home / 7,271.77-10,907.65-2,077.64

Finding the Fourth Proportional to 7,271.77, 10,907.65 and 2,077.64

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Solution

The fourth proportional to 7,271.77, 10,907.65 and 2,077.64 is: 3,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.77 : 10,907.65 = 2,077.64 : x
  2. Step 2: Convert to fraction form
    7,271.77/10,907.65 = 2,077.64/x
  3. Step 3: Cross multiply
    7,271.77x = 10,907.65 × 2,077.64
  4. Step 4: Simplify right side
    7,271.77x = 22,662,175.46
  5. Step 5: Solve for x
    x = 22,662,175.46/7,271.77
  6. Step 6: Final answer
    x = 3,116.46

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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.