Home / 6,901.20-9,528.84-4,814.64

Finding the Fourth Proportional to 6,901.20, 9,528.84 and 4,814.64

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Solution

The fourth proportional to 6,901.20, 9,528.84 and 4,814.64 is: 6,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.20 : 9,528.84 = 4,814.64 : x
  2. Step 2: Convert to fraction form
    6,901.20/9,528.84 = 4,814.64/x
  3. Step 3: Cross multiply
    6,901.20x = 9,528.84 × 4,814.64
  4. Step 4: Simplify right side
    6,901.20x = 45,877,934.22
  5. Step 5: Solve for x
    x = 45,877,934.22/6,901.20
  6. Step 6: Final answer
    x = 6,647.82

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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.