Home / 7,478.04-10,323.88-4,494.64

Finding the Fourth Proportional to 7,478.04, 10,323.88 and 4,494.64

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Solution

The fourth proportional to 7,478.04, 10,323.88 and 4,494.64 is: 6,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.04 : 10,323.88 = 4,494.64 : x
  2. Step 2: Convert to fraction form
    7,478.04/10,323.88 = 4,494.64/x
  3. Step 3: Cross multiply
    7,478.04x = 10,323.88 × 4,494.64
  4. Step 4: Simplify right side
    7,478.04x = 46,402,124.00
  5. Step 5: Solve for x
    x = 46,402,124.00/7,478.04
  6. Step 6: Final answer
    x = 6,205.12

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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.