Home / 7,304.64-10,075.20-4,782.72

Finding the Fourth Proportional to 7,304.64, 10,075.20 and 4,782.72

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Solution

The fourth proportional to 7,304.64, 10,075.20 and 4,782.72 is: 6,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.64 : 10,075.20 = 4,782.72 : x
  2. Step 2: Convert to fraction form
    7,304.64/10,075.20 = 4,782.72/x
  3. Step 3: Cross multiply
    7,304.64x = 10,075.20 × 4,782.72
  4. Step 4: Simplify right side
    7,304.64x = 48,186,860.54
  5. Step 5: Solve for x
    x = 48,186,860.54/7,304.64
  6. Step 6: Final answer
    x = 6,596.75

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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.