Home / 6,500.12-8,970.15-3,515.96

Finding the Fourth Proportional to 6,500.12, 8,970.15 and 3,515.96

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Solution

The fourth proportional to 6,500.12, 8,970.15 and 3,515.96 is: 4,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.12 : 8,970.15 = 3,515.96 : x
  2. Step 2: Convert to fraction form
    6,500.12/8,970.15 = 3,515.96/x
  3. Step 3: Cross multiply
    6,500.12x = 8,970.15 × 3,515.96
  4. Step 4: Simplify right side
    6,500.12x = 31,538,643.74
  5. Step 5: Solve for x
    x = 31,538,643.74/6,500.12
  6. Step 6: Final answer
    x = 4,852.01

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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.