Home / 8,437.02-11,643.09-4,711.02

Finding the Fourth Proportional to 8,437.02, 11,643.09 and 4,711.02

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Solution

The fourth proportional to 8,437.02, 11,643.09 and 4,711.02 is: 6,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.02 : 11,643.09 = 4,711.02 : x
  2. Step 2: Convert to fraction form
    8,437.02/11,643.09 = 4,711.02/x
  3. Step 3: Cross multiply
    8,437.02x = 11,643.09 × 4,711.02
  4. Step 4: Simplify right side
    8,437.02x = 54,850,829.85
  5. Step 5: Solve for x
    x = 54,850,829.85/8,437.02
  6. Step 6: Final answer
    x = 6,501.21

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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.