Home / 7,112.10-9,810.39-4,590.16

Finding the Fourth Proportional to 7,112.10, 9,810.39 and 4,590.16

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Solution

The fourth proportional to 7,112.10, 9,810.39 and 4,590.16 is: 6,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.10 : 9,810.39 = 4,590.16 : x
  2. Step 2: Convert to fraction form
    7,112.10/9,810.39 = 4,590.16/x
  3. Step 3: Cross multiply
    7,112.10x = 9,810.39 × 4,590.16
  4. Step 4: Simplify right side
    7,112.10x = 45,031,259.76
  5. Step 5: Solve for x
    x = 45,031,259.76/7,112.10
  6. Step 6: Final answer
    x = 6,331.64

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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.