Home / 7,901.90-10,904.93-4,317.05

Finding the Fourth Proportional to 7,901.90, 10,904.93 and 4,317.05

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Solution

The fourth proportional to 7,901.90, 10,904.93 and 4,317.05 is: 5,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.90 : 10,904.93 = 4,317.05 : x
  2. Step 2: Convert to fraction form
    7,901.90/10,904.93 = 4,317.05/x
  3. Step 3: Cross multiply
    7,901.90x = 10,904.93 × 4,317.05
  4. Step 4: Simplify right side
    7,901.90x = 47,077,088.58
  5. Step 5: Solve for x
    x = 47,077,088.58/7,901.90
  6. Step 6: Final answer
    x = 5,957.69

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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.