Home / 6,329.40-9,503.70-4,870.20

Finding the Fourth Proportional to 6,329.40, 9,503.70 and 4,870.20

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Solution

The fourth proportional to 6,329.40, 9,503.70 and 4,870.20 is: 7,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.40 : 9,503.70 = 4,870.20 : x
  2. Step 2: Convert to fraction form
    6,329.40/9,503.70 = 4,870.20/x
  3. Step 3: Cross multiply
    6,329.40x = 9,503.70 × 4,870.20
  4. Step 4: Simplify right side
    6,329.40x = 46,284,919.74
  5. Step 5: Solve for x
    x = 46,284,919.74/6,329.40
  6. Step 6: Final answer
    x = 7,312.69

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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.