Home / 7,485.40-10,326.18-4,835.08

Finding the Fourth Proportional to 7,485.40, 10,326.18 and 4,835.08

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Solution

The fourth proportional to 7,485.40, 10,326.18 and 4,835.08 is: 6,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.40 : 10,326.18 = 4,835.08 : x
  2. Step 2: Convert to fraction form
    7,485.40/10,326.18 = 4,835.08/x
  3. Step 3: Cross multiply
    7,485.40x = 10,326.18 × 4,835.08
  4. Step 4: Simplify right side
    7,485.40x = 49,927,906.39
  5. Step 5: Solve for x
    x = 49,927,906.39/7,485.40
  6. Step 6: Final answer
    x = 6,670.04

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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.