Home / 5,311.19-7,329.65-2,953.32

Finding the Fourth Proportional to 5,311.19, 7,329.65 and 2,953.32

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Solution

The fourth proportional to 5,311.19, 7,329.65 and 2,953.32 is: 4,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.19 : 7,329.65 = 2,953.32 : x
  2. Step 2: Convert to fraction form
    5,311.19/7,329.65 = 2,953.32/x
  3. Step 3: Cross multiply
    5,311.19x = 7,329.65 × 2,953.32
  4. Step 4: Simplify right side
    5,311.19x = 21,646,787.17
  5. Step 5: Solve for x
    x = 21,646,787.17/5,311.19
  6. Step 6: Final answer
    x = 4,075.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.