Home / 6,921.30-9,551.40-4,935.32

Finding the Fourth Proportional to 6,921.30, 9,551.40 and 4,935.32

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Solution

The fourth proportional to 6,921.30, 9,551.40 and 4,935.32 is: 6,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.30 : 9,551.40 = 4,935.32 : x
  2. Step 2: Convert to fraction form
    6,921.30/9,551.40 = 4,935.32/x
  3. Step 3: Cross multiply
    6,921.30x = 9,551.40 × 4,935.32
  4. Step 4: Simplify right side
    6,921.30x = 47,139,167.69
  5. Step 5: Solve for x
    x = 47,139,167.69/6,921.30
  6. Step 6: Final answer
    x = 6,810.74

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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.