Home / 9,783.45-13,501.04-5,307.08

Finding the Fourth Proportional to 9,783.45, 13,501.04 and 5,307.08

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Solution

The fourth proportional to 9,783.45, 13,501.04 and 5,307.08 is: 7,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.45 : 13,501.04 = 5,307.08 : x
  2. Step 2: Convert to fraction form
    9,783.45/13,501.04 = 5,307.08/x
  3. Step 3: Cross multiply
    9,783.45x = 13,501.04 × 5,307.08
  4. Step 4: Simplify right side
    9,783.45x = 71,651,005.32
  5. Step 5: Solve for x
    x = 71,651,005.32/9,783.45
  6. Step 6: Final answer
    x = 7,323.70

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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.