Home / 7,001.19-10,501.71-2,840.21

Finding the Fourth Proportional to 7,001.19, 10,501.71 and 2,840.21

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Solution

The fourth proportional to 7,001.19, 10,501.71 and 2,840.21 is: 4,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.19 : 10,501.71 = 2,840.21 : x
  2. Step 2: Convert to fraction form
    7,001.19/10,501.71 = 2,840.21/x
  3. Step 3: Cross multiply
    7,001.19x = 10,501.71 × 2,840.21
  4. Step 4: Simplify right side
    7,001.19x = 29,827,009.25
  5. Step 5: Solve for x
    x = 29,827,009.25/7,001.19
  6. Step 6: Final answer
    x = 4,260.28

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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.