Home / 7,964.32-10,984.80-4,816.48

Finding the Fourth Proportional to 7,964.32, 10,984.80 and 4,816.48

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Solution

The fourth proportional to 7,964.32, 10,984.80 and 4,816.48 is: 6,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.32 : 10,984.80 = 4,816.48 : x
  2. Step 2: Convert to fraction form
    7,964.32/10,984.80 = 4,816.48/x
  3. Step 3: Cross multiply
    7,964.32x = 10,984.80 × 4,816.48
  4. Step 4: Simplify right side
    7,964.32x = 52,908,069.50
  5. Step 5: Solve for x
    x = 52,908,069.50/7,964.32
  6. Step 6: Final answer
    x = 6,643.14

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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.