Home / 6,403.08-8,835.84-3,570.06

Finding the Fourth Proportional to 6,403.08, 8,835.84 and 3,570.06

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Solution

The fourth proportional to 6,403.08, 8,835.84 and 3,570.06 is: 4,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.08 : 8,835.84 = 3,570.06 : x
  2. Step 2: Convert to fraction form
    6,403.08/8,835.84 = 3,570.06/x
  3. Step 3: Cross multiply
    6,403.08x = 8,835.84 × 3,570.06
  4. Step 4: Simplify right side
    6,403.08x = 31,544,478.95
  5. Step 5: Solve for x
    x = 31,544,478.95/6,403.08
  6. Step 6: Final answer
    x = 4,926.45

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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.