Home / 5,637.60-8,460.65-2,127.47

Finding the Fourth Proportional to 5,637.60, 8,460.65 and 2,127.47

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Solution

The fourth proportional to 5,637.60, 8,460.65 and 2,127.47 is: 3,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.60 : 8,460.65 = 2,127.47 : x
  2. Step 2: Convert to fraction form
    5,637.60/8,460.65 = 2,127.47/x
  3. Step 3: Cross multiply
    5,637.60x = 8,460.65 × 2,127.47
  4. Step 4: Simplify right side
    5,637.60x = 17,999,742.07
  5. Step 5: Solve for x
    x = 17,999,742.07/5,637.60
  6. Step 6: Final answer
    x = 3,192.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.