Home / 4,726.84-7,090.60-1,440.16

Finding the Fourth Proportional to 4,726.84, 7,090.60 and 1,440.16

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Solution

The fourth proportional to 4,726.84, 7,090.60 and 1,440.16 is: 2,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.84 : 7,090.60 = 1,440.16 : x
  2. Step 2: Convert to fraction form
    4,726.84/7,090.60 = 1,440.16/x
  3. Step 3: Cross multiply
    4,726.84x = 7,090.60 × 1,440.16
  4. Step 4: Simplify right side
    4,726.84x = 10,211,598.50
  5. Step 5: Solve for x
    x = 10,211,598.50/4,726.84
  6. Step 6: Final answer
    x = 2,160.34

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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.