Home / 7,485.29-10,328.06-4,298.35

Finding the Fourth Proportional to 7,485.29, 10,328.06 and 4,298.35

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Solution

The fourth proportional to 7,485.29, 10,328.06 and 4,298.35 is: 5,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.29 : 10,328.06 = 4,298.35 : x
  2. Step 2: Convert to fraction form
    7,485.29/10,328.06 = 4,298.35/x
  3. Step 3: Cross multiply
    7,485.29x = 10,328.06 × 4,298.35
  4. Step 4: Simplify right side
    7,485.29x = 44,393,596.81
  5. Step 5: Solve for x
    x = 44,393,596.81/7,485.29
  6. Step 6: Final answer
    x = 5,930.78

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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.