Home / 7,617.21-10,511.72-4,260.01

Finding the Fourth Proportional to 7,617.21, 10,511.72 and 4,260.01

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Solution

The fourth proportional to 7,617.21, 10,511.72 and 4,260.01 is: 5,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.21 : 10,511.72 = 4,260.01 : x
  2. Step 2: Convert to fraction form
    7,617.21/10,511.72 = 4,260.01/x
  3. Step 3: Cross multiply
    7,617.21x = 10,511.72 × 4,260.01
  4. Step 4: Simplify right side
    7,617.21x = 44,780,032.32
  5. Step 5: Solve for x
    x = 44,780,032.32/7,617.21
  6. Step 6: Final answer
    x = 5,878.80

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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.