Home / 4,242.14-6,364.05-1,320.32

Finding the Fourth Proportional to 4,242.14, 6,364.05 and 1,320.32

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Solution

The fourth proportional to 4,242.14, 6,364.05 and 1,320.32 is: 1,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.14 : 6,364.05 = 1,320.32 : x
  2. Step 2: Convert to fraction form
    4,242.14/6,364.05 = 1,320.32/x
  3. Step 3: Cross multiply
    4,242.14x = 6,364.05 × 1,320.32
  4. Step 4: Simplify right side
    4,242.14x = 8,402,582.50
  5. Step 5: Solve for x
    x = 8,402,582.50/4,242.14
  6. Step 6: Final answer
    x = 1,980.74

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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.