Home / 6,925.60-10,390.32-3,030.88

Finding the Fourth Proportional to 6,925.60, 10,390.32 and 3,030.88

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Solution

The fourth proportional to 6,925.60, 10,390.32 and 3,030.88 is: 4,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.60 : 10,390.32 = 3,030.88 : x
  2. Step 2: Convert to fraction form
    6,925.60/10,390.32 = 3,030.88/x
  3. Step 3: Cross multiply
    6,925.60x = 10,390.32 × 3,030.88
  4. Step 4: Simplify right side
    6,925.60x = 31,491,813.08
  5. Step 5: Solve for x
    x = 31,491,813.08/6,925.60
  6. Step 6: Final answer
    x = 4,547.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.