Home / 7,108.98-9,807.52-4,720.11

Finding the Fourth Proportional to 7,108.98, 9,807.52 and 4,720.11

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Solution

The fourth proportional to 7,108.98, 9,807.52 and 4,720.11 is: 6,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.98 : 9,807.52 = 4,720.11 : x
  2. Step 2: Convert to fraction form
    7,108.98/9,807.52 = 4,720.11/x
  3. Step 3: Cross multiply
    7,108.98x = 9,807.52 × 4,720.11
  4. Step 4: Simplify right side
    7,108.98x = 46,292,573.23
  5. Step 5: Solve for x
    x = 46,292,573.23/7,108.98
  6. Step 6: Final answer
    x = 6,511.84

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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.