Home / 6,637.21-9,159.27-4,647.04

Finding the Fourth Proportional to 6,637.21, 9,159.27 and 4,647.04

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Solution

The fourth proportional to 6,637.21, 9,159.27 and 4,647.04 is: 6,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.21 : 9,159.27 = 4,647.04 : x
  2. Step 2: Convert to fraction form
    6,637.21/9,159.27 = 4,647.04/x
  3. Step 3: Cross multiply
    6,637.21x = 9,159.27 × 4,647.04
  4. Step 4: Simplify right side
    6,637.21x = 42,563,448.26
  5. Step 5: Solve for x
    x = 42,563,448.26/6,637.21
  6. Step 6: Final answer
    x = 6,412.86

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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.