Home / 7,965.02-10,989.50-4,776.32

Finding the Fourth Proportional to 7,965.02, 10,989.50 and 4,776.32

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Solution

The fourth proportional to 7,965.02, 10,989.50 and 4,776.32 is: 6,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.02 : 10,989.50 = 4,776.32 : x
  2. Step 2: Convert to fraction form
    7,965.02/10,989.50 = 4,776.32/x
  3. Step 3: Cross multiply
    7,965.02x = 10,989.50 × 4,776.32
  4. Step 4: Simplify right side
    7,965.02x = 52,489,368.64
  5. Step 5: Solve for x
    x = 52,489,368.64/7,965.02
  6. Step 6: Final answer
    x = 6,589.99

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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.