Home / 3,509.50-4,837.40-3,312.66

Finding the Fourth Proportional to 3,509.50, 4,837.40 and 3,312.66

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Solution

The fourth proportional to 3,509.50, 4,837.40 and 3,312.66 is: 4,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.50 : 4,837.40 = 3,312.66 : x
  2. Step 2: Convert to fraction form
    3,509.50/4,837.40 = 3,312.66/x
  3. Step 3: Cross multiply
    3,509.50x = 4,837.40 × 3,312.66
  4. Step 4: Simplify right side
    3,509.50x = 16,024,661.48
  5. Step 5: Solve for x
    x = 16,024,661.48/3,509.50
  6. Step 6: Final answer
    x = 4,566.08

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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.