Home / 6,619.64-9,129.01-4,498.35

Finding the Fourth Proportional to 6,619.64, 9,129.01 and 4,498.35

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Solution

The fourth proportional to 6,619.64, 9,129.01 and 4,498.35 is: 6,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.64 : 9,129.01 = 4,498.35 : x
  2. Step 2: Convert to fraction form
    6,619.64/9,129.01 = 4,498.35/x
  3. Step 3: Cross multiply
    6,619.64x = 9,129.01 × 4,498.35
  4. Step 4: Simplify right side
    6,619.64x = 41,065,482.13
  5. Step 5: Solve for x
    x = 41,065,482.13/6,619.64
  6. Step 6: Final answer
    x = 6,203.58

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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.