Home / 6,284.61-8,670.87-3,631.05

Finding the Fourth Proportional to 6,284.61, 8,670.87 and 3,631.05

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Solution

The fourth proportional to 6,284.61, 8,670.87 and 3,631.05 is: 5,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.61 : 8,670.87 = 3,631.05 : x
  2. Step 2: Convert to fraction form
    6,284.61/8,670.87 = 3,631.05/x
  3. Step 3: Cross multiply
    6,284.61x = 8,670.87 × 3,631.05
  4. Step 4: Simplify right side
    6,284.61x = 31,484,362.51
  5. Step 5: Solve for x
    x = 31,484,362.51/6,284.61
  6. Step 6: Final answer
    x = 5,009.76

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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.